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The lens in the adult human eye blocks nearly 100 percent of the sun's UV rays. As part of the normal aging process, the eye's natural lens eventually blocks some short-wavelength blue light as well â the type of blue light most likely to cause damage to the retina and lead to macular degeneration and vision loss.
A study has discovered that exposure to LED lights can cause irreparable harm to the retina of the human eye. LED lights have been touted as a super-efficient alternative to traditional bulbs because they use up to 85 per cent less energy and each bulb can last up to 10 years. In April, Philips, the world's biggest lighting maker, reported a 38 per cent jump in LED light sales from last year.